Partnership Co. v. Atlantic Ltd. Partnership, 100 F.3d 1041, 1043 (1st Cir. 1996)(noting that intervenors participated in settlement negotiations); Su v. Siemens Indus., Inc, 2013 WL 3477202 at *3 (N.D.Cal. July 10, 2013)(intervention allowed so that intervenor could participate in settlement negotiations); United